[INFO] cloning repository https://github.com/mylesmegyesi/tic-tac-toe-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mylesmegyesi/tic-tac-toe-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmylesmegyesi%2Ftic-tac-toe-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmylesmegyesi%2Ftic-tac-toe-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 41a5375fab35295be839def6bb1d1a6fc521686e [INFO] testing mylesmegyesi/tic-tac-toe-rust against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmylesmegyesi%2Ftic-tac-toe-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mylesmegyesi/tic-tac-toe-rust on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mylesmegyesi/tic-tac-toe-rust [INFO] finished tweaking git repo https://github.com/mylesmegyesi/tic-tac-toe-rust [INFO] tweaked toml for git repo https://github.com/mylesmegyesi/tic-tac-toe-rust written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/mylesmegyesi/tic-tac-toe-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f1312f7b7088956efa54efd4b4f21c8683b6cab14e62a2047b00fe498aa3b81 [INFO] running `Command { std: "docker" "start" "-a" "9f1312f7b7088956efa54efd4b4f21c8683b6cab14e62a2047b00fe498aa3b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f1312f7b7088956efa54efd4b4f21c8683b6cab14e62a2047b00fe498aa3b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f1312f7b7088956efa54efd4b4f21c8683b6cab14e62a2047b00fe498aa3b81", kill_on_drop: false }` [INFO] [stdout] 9f1312f7b7088956efa54efd4b4f21c8683b6cab14e62a2047b00fe498aa3b81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2586912450b85b6754a6c1c4aaedf9cd02e2abb0e7672bc0af0965556e5e84b [INFO] running `Command { std: "docker" "start" "-a" "f2586912450b85b6754a6c1c4aaedf9cd02e2abb0e7672bc0af0965556e5e84b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling tic-tac-toe-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:12:25 [INFO] [stdout] | [INFO] [stdout] 12 | occupant: Option>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:25:45 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_occupant(&self) -> Option> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:78:44 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn occupy_cell(&self, occupant: Rc, reference: &CellReference) -> Self { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | Win(Rc), [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules.rs:40:58 [INFO] [stdout] | [INFO] [stdout] 40 | fn get_segment_winner(segment: &Vec<&Cell>) -> Option> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:7:49 [INFO] [stdout] | [INFO] [stdout] 7 | fn get_move<'board>(&self, other_player: Rc, board: &'board Board) -> &'board CellReference; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:8:30 [INFO] [stdout] | [INFO] [stdout] 8 | fn to_boxed(self) -> Box; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:11:20 [INFO] [stdout] | [INFO] [stdout] 11 | impl PartialEq for Player { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:13:39 [INFO] [stdout] | [INFO] [stdout] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:13:63 [INFO] [stdout] | [INFO] [stdout] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Board` [INFO] [stdout] --> src/board.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Board { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_marker` [INFO] [stdout] --> src/board.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get_marker(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_reference` [INFO] [stdout] --> src/board.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn get_reference(&self) -> &CellReference { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_occupant` [INFO] [stdout] --> src/board.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_occupant(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty_board` [INFO] [stdout] --> src/board.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn empty_board() -> Board { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty_cells` [INFO] [stdout] --> src/board.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn empty_cells(&self) -> Vec<&CellReference> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cells` [INFO] [stdout] --> src/board.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn cells(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `segments` [INFO] [stdout] --> src/board.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn segments(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `occupy_cell` [INFO] [stdout] --> src/board.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn occupy_cell(&self, occupant: Rc, reference: &CellReference) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Pending` [INFO] [stdout] --> src/rules.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Pending, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Draw` [INFO] [stdout] --> src/rules.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Draw, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Win` [INFO] [stdout] --> src/rules.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Win(Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `analyze_game_state` [INFO] [stdout] --> src/rules.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn analyze_game_state(board: &Board) -> GameState { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_segment_winner` [INFO] [stdout] --> src/rules.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn get_segment_winner(segment: &Vec<&Cell>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `play_game` [INFO] [stdout] --> src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/board.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | std::mem::replace(&mut cells[index], Cell { occupant: Some(occupant), reference: CellReference(index) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.42s [INFO] running `Command { std: "docker" "inspect" "f2586912450b85b6754a6c1c4aaedf9cd02e2abb0e7672bc0af0965556e5e84b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2586912450b85b6754a6c1c4aaedf9cd02e2abb0e7672bc0af0965556e5e84b", kill_on_drop: false }` [INFO] [stdout] f2586912450b85b6754a6c1c4aaedf9cd02e2abb0e7672bc0af0965556e5e84b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c8704c77f508f2feb760221ab1a199bc0d5d7b6e63ce1bef287b584096bd277 [INFO] running `Command { std: "docker" "start" "-a" "5c8704c77f508f2feb760221ab1a199bc0d5d7b6e63ce1bef287b584096bd277", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:12:25 [INFO] [stdout] | [INFO] [stdout] 12 | occupant: Option>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:25:45 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_occupant(&self) -> Option> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:78:44 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn occupy_cell(&self, occupant: Rc, reference: &CellReference) -> Self { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | Win(Rc), [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules.rs:40:58 [INFO] [stdout] | [INFO] [stdout] 40 | fn get_segment_winner(segment: &Vec<&Cell>) -> Option> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:7:49 [INFO] [stdout] | [INFO] [stdout] 7 | fn get_move<'board>(&self, other_player: Rc, board: &'board Board) -> &'board CellReference; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:8:30 [INFO] [stdout] | [INFO] [stdout] 8 | fn to_boxed(self) -> Box; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:11:20 [INFO] [stdout] | [INFO] [stdout] 11 | impl PartialEq for Player { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:13:39 [INFO] [stdout] | [INFO] [stdout] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:13:63 [INFO] [stdout] | [INFO] [stdout] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Board` [INFO] [stdout] --> src/board.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Board { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_marker` [INFO] [stdout] --> src/board.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get_marker(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_reference` [INFO] [stdout] --> src/board.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn get_reference(&self) -> &CellReference { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_occupant` [INFO] [stdout] --> src/board.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_occupant(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty_board` [INFO] [stdout] --> src/board.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn empty_board() -> Board { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty_cells` [INFO] [stdout] --> src/board.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn empty_cells(&self) -> Vec<&CellReference> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cells` [INFO] [stdout] --> src/board.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn cells(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `segments` [INFO] [stdout] --> src/board.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn segments(&self) -> Vec> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `occupy_cell` [INFO] [stdout] --> src/board.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn occupy_cell(&self, occupant: Rc, reference: &CellReference) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Pending` [INFO] [stdout] --> src/rules.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Pending, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Draw` [INFO] [stdout] --> src/rules.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Draw, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Win` [INFO] [stdout] --> src/rules.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Win(Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `analyze_game_state` [INFO] [stdout] --> src/rules.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn analyze_game_state(board: &Board) -> GameState { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_segment_winner` [INFO] [stdout] --> src/rules.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn get_segment_winner(segment: &Vec<&Cell>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `play_game` [INFO] [stdout] --> src/lib.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/board.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | std::mem::replace(&mut cells[index], Cell { occupant: Some(occupant), reference: CellReference(index) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tic-tac-toe-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:12:25 [INFO] [stdout] | [INFO] [stdout] 12 | occupant: Option>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:25:45 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_occupant(&self) -> Option> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:78:44 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn occupy_cell(&self, occupant: Rc, reference: &CellReference) -> Self { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:90:38 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn with_board(player_one: Rc, player_two: Rc, board_string: &str) -> Self { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:90:62 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn with_board(player_one: Rc, player_two: Rc, board_string: &str) -> Self { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | Win(Rc), [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules.rs:40:58 [INFO] [stdout] | [INFO] [stdout] 40 | fn get_segment_winner(segment: &Vec<&Cell>) -> Option> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:7:49 [INFO] [stdout] | [INFO] [stdout] 7 | fn get_move<'board>(&self, other_player: Rc, board: &'board Board) -> &'board CellReference; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:8:30 [INFO] [stdout] | [INFO] [stdout] 8 | fn to_boxed(self) -> Box; [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/player.rs:11:20 [INFO] [stdout] | [INFO] [stdout] 11 | impl PartialEq for Player { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mock_player.rs:27:38 [INFO] [stdout] | [INFO] [stdout] 27 | fn get_move<'board>(&self, _: Rc, board: &'board Board) -> &'board CellReference { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mock_player.rs:37:30 [INFO] [stdout] | [INFO] [stdout] 37 | fn to_boxed(self) -> Box { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:13:39 [INFO] [stdout] | [INFO] [stdout] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:13:63 [INFO] [stdout] | [INFO] [stdout] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `empty_cell_indices` [INFO] [stdout] --> src/board.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 124 | fn empty_cell_indices(board: &Board) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/board.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | std::mem::replace(&mut cells[index], Cell { occupant: Some(occupant), reference: CellReference(index) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "5c8704c77f508f2feb760221ab1a199bc0d5d7b6e63ce1bef287b584096bd277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c8704c77f508f2feb760221ab1a199bc0d5d7b6e63ce1bef287b584096bd277", kill_on_drop: false }` [INFO] [stdout] 5c8704c77f508f2feb760221ab1a199bc0d5d7b6e63ce1bef287b584096bd277 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 521228e83efc7d53e34ce54371765e64281e55b877df24cffbf729f033317123 [INFO] running `Command { std: "docker" "start" "-a" "521228e83efc7d53e34ce54371765e64281e55b877df24cffbf729f033317123", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:12:25 [INFO] [stderr] | [INFO] [stderr] 12 | occupant: Option>, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:25:45 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn get_occupant(&self) -> Option> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:78:44 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn occupy_cell(&self, occupant: Rc, reference: &CellReference) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rules.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | Win(Rc), [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rules.rs:40:58 [INFO] [stderr] | [INFO] [stderr] 40 | fn get_segment_winner(segment: &Vec<&Cell>) -> Option> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/player.rs:7:49 [INFO] [stderr] | [INFO] [stderr] 7 | fn get_move<'board>(&self, other_player: Rc, board: &'board Board) -> &'board CellReference; [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/player.rs:8:30 [INFO] [stderr] | [INFO] [stderr] 8 | fn to_boxed(self) -> Box; [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/player.rs:11:20 [INFO] [stderr] | [INFO] [stderr] 11 | impl PartialEq for Player { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:13:39 [INFO] [stderr] | [INFO] [stderr] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:13:63 [INFO] [stderr] | [INFO] [stderr] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Board` [INFO] [stderr] --> src/board.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Board { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_marker` [INFO] [stderr] --> src/board.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn get_marker(&self) -> Option { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_reference` [INFO] [stderr] --> src/board.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn get_reference(&self) -> &CellReference { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_occupant` [INFO] [stderr] --> src/board.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn get_occupant(&self) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `empty_board` [INFO] [stderr] --> src/board.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn empty_board() -> Board { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `empty_cells` [INFO] [stderr] --> src/board.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn empty_cells(&self) -> Vec<&CellReference> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cells` [INFO] [stderr] --> src/board.rs:52:12 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn cells(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `segments` [INFO] [stderr] --> src/board.rs:56:12 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn segments(&self) -> Vec> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `occupy_cell` [INFO] [stderr] --> src/board.rs:78:12 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn occupy_cell(&self, occupant: Rc, reference: &CellReference) -> Self { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Pending` [INFO] [stderr] --> src/rules.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Pending, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Draw` [INFO] [stderr] --> src/rules.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Draw, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Win` [INFO] [stderr] --> src/rules.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | Win(Rc), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `analyze_game_state` [INFO] [stderr] --> src/rules.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn analyze_game_state(board: &Board) -> GameState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_segment_winner` [INFO] [stderr] --> src/rules.rs:40:4 [INFO] [stderr] | [INFO] [stderr] 40 | fn get_segment_winner(segment: &Vec<&Cell>) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `play_game` [INFO] [stderr] --> src/lib.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/board.rs:81:9 [INFO] [stderr] | [INFO] [stderr] 81 | std::mem::replace(&mut cells[index], Cell { occupant: Some(occupant), reference: CellReference(index) }); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 26 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:12:25 [INFO] [stderr] | [INFO] [stderr] 12 | occupant: Option>, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:25:45 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn get_occupant(&self) -> Option> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:78:44 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn occupy_cell(&self, occupant: Rc, reference: &CellReference) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:90:38 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn with_board(player_one: Rc, player_two: Rc, board_string: &str) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:90:62 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn with_board(player_one: Rc, player_two: Rc, board_string: &str) -> Self { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rules.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | Win(Rc), [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rules.rs:40:58 [INFO] [stderr] | [INFO] [stderr] 40 | fn get_segment_winner(segment: &Vec<&Cell>) -> Option> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/player.rs:7:49 [INFO] [stderr] | [INFO] [stderr] 7 | fn get_move<'board>(&self, other_player: Rc, board: &'board Board) -> &'board CellReference; [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/player.rs:8:30 [INFO] [stderr] | [INFO] [stderr] 8 | fn to_boxed(self) -> Box; [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/player.rs:11:20 [INFO] [stderr] | [INFO] [stderr] 11 | impl PartialEq for Player { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mock_player.rs:27:38 [INFO] [stderr] | [INFO] [stderr] 27 | fn get_move<'board>(&self, _: Rc, board: &'board Board) -> &'board CellReference { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mock_player.rs:37:30 [INFO] [stderr] | [INFO] [stderr] 37 | fn to_boxed(self) -> Box { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:13:39 [INFO] [stderr] | [INFO] [stderr] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:13:63 [INFO] [stderr] | [INFO] [stderr] 13 | fn play_game<'players>(player_one: Rc, player_two: Rc) -> GameState { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: function is never used: `empty_cell_indices` [INFO] [stderr] --> src/board.rs:124:8 [INFO] [stderr] | [INFO] [stderr] 124 | fn empty_cell_indices(board: &Board) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/board.rs:81:9 [INFO] [stderr] | [INFO] [stderr] 81 | std::mem::replace(&mut cells[index], Cell { occupant: Some(occupant), reference: CellReference(index) }); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tic_tac_toe_rust-212232074ef36b06) [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test board::tests::makes_a_move ... ok [INFO] [stdout] test board::tests::returns_the_occupants_for_all_winnable_segments ... ok [INFO] [stdout] test rules::tests::detects_player_one_win_in_first_column ... ok [INFO] [stdout] test rules::tests::detects_player_one_win_in_second_column ... ok [INFO] [stdout] test rules::tests::detects_player_one_win_in_second_diagonal ... ok [INFO] [stdout] test rules::tests::detects_player_one_win_in_second_row ... ok [INFO] [stdout] test rules::tests::detects_player_one_win_in_third_row ... ok [INFO] [stdout] test rules::tests::detects_player_two_win_in_first_column ... ok [INFO] [stdout] test rules::tests::detects_player_two_win_in_first_row ... ok [INFO] [stdout] test rules::tests::detects_player_two_win_in_second_column ... ok [INFO] [stdout] test rules::tests::detects_player_two_win_in_second_diagonal ... ok [INFO] [stdout] test rules::tests::detects_player_two_win_in_second_row ... ok [INFO] [stdout] test rules::tests::detects_player_two_win_in_third_column ... ok [INFO] [stdout] test rules::tests::empty_board_is_pending ... ok [INFO] [stdout] test tests::plays_a_full_game_to_a_player_one_win ... ok [INFO] [stdout] test tests::plays_a_full_game_to_a_draw ... ok [INFO] [stdout] test board::tests::returns_empty_cells ... ok [INFO] [stdout] test tests::plays_a_full_game_to_a_player_two_win ... ok [INFO] [stdout] test rules::tests::detects_player_two_win_in_third_row ... ok [INFO] [stdout] test rules::tests::detects_player_one_win_in_first_diagonal ... ok [INFO] [stdout] test rules::tests::detects_draw ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tic_tac_toe_rust-f6438ca9d8a1dd46) [INFO] [stdout] test rules::tests::detects_pending_when_not_full ... ok [INFO] [stderr] Doc-tests tic-tac-toe-rust [INFO] [stdout] test rules::tests::detects_player_two_win_in_first_diagonal ... ok [INFO] [stdout] test rules::tests::detects_player_one_win_in_first_row ... ok [INFO] [stdout] test rules::tests::detects_player_one_win_in_third_column ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "521228e83efc7d53e34ce54371765e64281e55b877df24cffbf729f033317123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "521228e83efc7d53e34ce54371765e64281e55b877df24cffbf729f033317123", kill_on_drop: false }` [INFO] [stdout] 521228e83efc7d53e34ce54371765e64281e55b877df24cffbf729f033317123